DTC P0102:00: Notes
DTC P0102:00 (L3 WITH TC) DETECTION CONDITION AND POSSIBLE CAUSE
| DTC P0102:00 |
MAF sensor circuit low input |
| DETECTION CONDITION |
- The PCM monitors input voltage from the MAF sensor when engine is running. If the input voltage is below 0.21 V for 5 s
, the PCM determines that the MAF circuit has a malfunction.
Diagnostic support note
- This is a continuous monitor (CCM).
- MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
- FREEZE FRAME DATA (Mode 2)/Snapshot data is available.
- DTCs are stored in the PCM memory.
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| POSSIBLE CAUSE |
- MAF/IAT sensor connector or terminals malfunction
- Short to ground or open circuit in MAF sensor power supply circuit
- Short to ground in wiring harness between main relay and MAF/IAT sensor terminal A
- ENG BAR 1 15 A fuse malfunction
- Open circuit in wiring harness between main relay and MAF/IAT sensor terminal A
- Short to ground in wiring harness between MAF/IAT sensor terminal C and PCM terminal 1 AK
- PCM connector or terminals malfunction
- MAF sensor signal circuit and ground circuit are shorted to each other
- Open circuit in wiring harness between MAF/IAT sensor terminal C and PCM terminal 1 AK
- MAF sensor malfunction
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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